Kael the Invoker

Old, old story:
A master of the arcane arts, Kael has chosen the side of the Scourge. His gameplay is very unique and advanced. The single spell he can cast varies with what minor reagents he has active.
Hero info:
Inteligence hero, everyone's old favourite in DotA, who had only recently made his comeback. He can combine his minor spells to more powerful ones, such are all time favourites: Chaos Meteor, Ice Wall and EMP Bomb.